Exterior surface configuration for a hood of a tractor



FIG. 1 is a side perspective view of an exterior surface configuration for a hood of a tractor showing our new design.

FIG. 2 is a front view thereof; and,

FIG. 3 is a top view thereof.

The underside of the hood forms no part of the claimed design.

The adjacent hardware shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for an exterior surface configuration for a hood of a tractor, as shown and described. 